Robo Shankar who is a mimicry artist was offered by Gokul a role in Rowthiram (2011), however his scenes were edited out from the film. Gokul again cast him in a role of Pasupathi's henchman in Idharkuthane Aasaipattai Balakumara (2013) which gave him a break as an actor. After doing small roles in Yaaruda Mahesh and Kappal, Balaji Mohan cast him the role of a drunkard in Vaayai Moodi Pesavum (2014). His performance was described by critics as "scream". He portrayed a negative character in Touring Talkies (2015). He then acted in Maari (2015) where his performance was mentioned by critics that he "deserves a special mention" and "steals the show with his unique one-liners and body language". In March 2017, he has signed his next project with Pawan Kalyan which is to be directed by Trivikram Srinivas.